Quiz: What is the significance of the Grand Canyon’s stratified ro January 12, 2025 by Orin Thorne What is the significance of the Grand Canyon’s stratified rock layers? Discover more about Grand Canyon Tours at our home page. A) They provide a geological record of Earth’s history over millions of years. B) They are primarily composed of volcanic rock formed during ancient eruptions. C) They indicate the presence of ancient marine life in the region. D) They are a result of recent sediment deposition from the Colorado River. Submit Answer
